![Error when Access to XMLHttpRequest at 'http://...' from origin 'http://localhost:8000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight Error when Access to XMLHttpRequest at 'http://...' from origin 'http://localhost:8000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight](https://lightrun.com/wp-content/uploads/2023/01/corydolphin-Flask-CORS.png)
Error when Access to XMLHttpRequest at 'http://...' from origin 'http://localhost:8000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight
![has been blocked by CORS policy: Response to preflight request doesn't pass access control - YouTube has been blocked by CORS policy: Response to preflight request doesn't pass access control - YouTube](https://i.ytimg.com/vi/XjgT936JibI/hqdefault.jpg)
has been blocked by CORS policy: Response to preflight request doesn't pass access control - YouTube
![CORS error No 'Access-Control-Allow-Origin' header is present on the requested resource · Issue #569 · axios/axios · GitHub CORS error No 'Access-Control-Allow-Origin' header is present on the requested resource · Issue #569 · axios/axios · GitHub](https://user-images.githubusercontent.com/1294763/57185230-35c24100-6ee5-11e9-9fc2-9823639e4614.png)
CORS error No 'Access-Control-Allow-Origin' header is present on the requested resource · Issue #569 · axios/axios · GitHub
![has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. – Cloudinary Support has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. – Cloudinary Support](https://support.cloudinary.com/hc/user_images/MRYonCMWehSUjlVApAcyhA.png)
has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. – Cloudinary Support
![Error with Axios: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request - Support - Netlify Support Forums Error with Axios: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request - Support - Netlify Support Forums](https://global.discourse-cdn.com/netlify/original/3X/5/9/59e786a4c56166a7e95c8c416ce7c65691a7b268.png)
Error with Axios: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request - Support - Netlify Support Forums
![API request from react form to camunda being blocked by CORS - Camunda Platform 7 Process Engine - Camunda Platform Forum API request from react form to camunda being blocked by CORS - Camunda Platform 7 Process Engine - Camunda Platform Forum](https://forum.camunda.io/uploads/default/original/2X/a/aaae4fa91e462d7e30dc5278560b87dedf0dc837.png)
API request from react form to camunda being blocked by CORS - Camunda Platform 7 Process Engine - Camunda Platform Forum
![CORS Error trying to access API gateway that triggers a Lambda function from NextJS App with Axios : r/aws CORS Error trying to access API gateway that triggers a Lambda function from NextJS App with Axios : r/aws](https://preview.redd.it/j4vz6rl59z791.png?width=1548&format=png&auto=webp&s=43dd8f3aebaab6aac2772e84a4d361a5ffffb93d)